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Traffic Advisory: Traffic Pattern Changing on Diamond Hill Road in Cumberland as Part of Roundabout Construction

The Rhode Island Department of Transportation (RIDOT) today announced a traffic pattern change as part of a $11.3 million intersection safety improvement project on Diamond Hill Road (Route 114) in Cumberland. One element of the project includes roundabouts at the Route 114 interchange with I-295, and the initial phase of transitioning traffic to the new traffic circles begins Friday morning, September 13.

The change for Friday will affect the intersection of Diamond Hill Road and the I-295 North on- and off-ramps only. All traffic will flow to the right, as it does in all roundabouts. This means traffic bound for points north (toward Broadview Avenue and Industrial Road) should use the inner or left lane and drive around the roundabout. Traffic coming off the highway and bound for the Chapel Four Corners area can use the right lane at the end of the exit.

When this change is made, the current gravel surface will be paved.

RIDOT intends to establish the same initial roundabout traffic pattern at the I-295 South on- and off-ramp intersection in early October. Construction will continue on the roundabouts through the end of this year, finishing next spring. The Chapel Hill Road realignment and other improvements also will be ongoing next spring and summer. The entire project is on time and on budget, and final completion of all improvements is set for Fall 2020.

The roundabouts are designed to improve traffic flow and increase safety. They have proven to greatly reduce injuries and severity of crashes. Visit to learn more about roundabouts.

All construction projects are subject to changes in schedule and scope depending on needs, circumstances, findings, and weather.

The Diamond Hill Road Intersection Safety Improvements project is made possible by RhodeWorks, RIDOT's ongoing commitment to repair structurally deficient bridges and bring Rhode Island's transportation infrastructure into a state of good repair, promote economic development, and create jobs. Learn more at

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  • Department or agency: Department of Transportation
  • Online:
  • Release date: 09-10-2019

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